231 lines
8.5 KiB
JSON
231 lines
8.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-2903",
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"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"state": "PUBLISHED",
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"assignerShortName": "VulDB",
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"dateReserved": "2026-02-20T20:02:38.891Z",
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"datePublished": "2026-02-22T00:32:09.412Z",
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"dateUpdated": "2026-06-23T15:50:16.004Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"shortName": "VulDB",
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"dateUpdated": "2026-02-22T00:32:09.412Z"
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},
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"title": "skvadrik re2c ast.cc check_and_merge_special_rules null pointer dereference",
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-476",
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"lang": "en",
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"description": "NULL Pointer Dereference"
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}
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]
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},
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-404",
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"lang": "en",
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"description": "Denial of Service"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "skvadrik",
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"product": "re2c",
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"versions": [
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{
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"version": "4.0",
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"status": "affected"
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},
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{
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"version": "4.1",
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"status": "affected"
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},
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{
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"version": "4.2",
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"status": "affected"
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},
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{
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"version": "4.3",
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"status": "affected"
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},
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{
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"version": "4.4",
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"status": "affected"
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}
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],
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"cpes": [
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"cpe:2.3:a:re2c:re2c:*:*:*:*:*:*:*:*"
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function check_and_merge_special_rules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue."
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"version": "4.0",
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"baseScore": 4.8,
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
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"baseSeverity": "MEDIUM"
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}
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},
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{
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"cvssV3_1": {
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"version": "3.1",
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"baseScore": 3.3,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
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"baseSeverity": "LOW"
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}
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},
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{
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"cvssV3_0": {
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"version": "3.0",
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"baseScore": 3.3,
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"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
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"baseSeverity": "LOW"
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}
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},
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{
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"cvssV2_0": {
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"version": "2.0",
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"baseScore": 1.7,
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"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"
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}
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}
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],
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"timeline": [
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{
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"time": "2026-02-20T00:00:00.000Z",
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"lang": "en",
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"value": "Advisory disclosed"
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},
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{
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"time": "2026-02-20T01:00:00.000Z",
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"lang": "en",
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"value": "VulDB entry created"
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},
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{
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"time": "2026-02-20T21:07:45.000Z",
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"lang": "en",
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"value": "VulDB entry last update"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Oneafter (VulDB User)",
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"type": "reporter"
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}
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],
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"references": [
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{
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"url": "https://vuldb.com/?id.347210",
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"name": "VDB-347210 | skvadrik re2c ast.cc check_and_merge_special_rules null pointer dereference",
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"tags": [
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"vdb-entry",
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"technical-description"
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]
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},
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{
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"url": "https://vuldb.com/?ctiid.347210",
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"name": "VDB-347210 | CTI Indicators (IOB, IOC, IOA)",
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"tags": [
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"signature",
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"permissions-required"
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]
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},
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{
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"url": "https://vuldb.com/?submit.755030",
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"name": "Submit #755030 | skvadrik re2c 04f1424 NULL Pointer Dereference",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://github.com/skvadrik/re2c/issues/571",
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"tags": [
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"issue-tracking"
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]
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},
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{
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"url": "https://github.com/skvadrik/re2c/issues/571#issuecomment-3837675101",
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"tags": [
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"issue-tracking"
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]
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},
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{
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"url": "https://github.com/oneafter/0202/blob/main/re/repro",
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"tags": [
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"exploit"
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]
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},
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{
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"url": "https://github.com/skvadrik/re2c/commit/febeb977936f9519a25d9fbd10ff8256358cdb97",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/skvadrik/re2c/",
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"tags": [
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"product"
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]
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}
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],
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"tags": [
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"x_open-source"
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]
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-02-26T16:21:03.435710Z",
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"id": "CVE-2026-2903",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-06-23T15:50:16.004Z"
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}
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}
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]
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}
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} |