CVE-2019-0052

SRX Series: srxpfe process crash while JSF/UTM module parses specific HTTP packets

HIGH

7.5

CVSS Score

Published: July 11, 2019 at 07:40 PM UTC

Updated: June 17, 2026 at 02:07 AM UTC

10 products affected across 2 vendorsJunosSRX5600SRX5800

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

Description

The srxpfe process may crash on SRX Series services gateways when the UTM module processes a specific fragmented HTTP packet. The packet is misinterpreted as a regular TCP packet which causes the processor to crash. This issue affects all SRX Series platforms that support URL-Filtering and have web-filtering enabled. Affected releases are Juniper Networks Junos OS: 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190 on SRX Series; 17.3 versions on SRX Series; 17.4 versions prior to 17.4R1-S8, 17.4R2-S5, 17.4R3 on SRX Series; 18.1 versions prior to 18.1R3-S6 on SRX Series; 18.2 versions prior to 18.2R2-S1, 18.2R3 on SRX Series; 18.3 versions prior to 18.3R1-S2, 18.3R2 on SRX Series; 18.4 versions prior to 18.4R1-S1, 18.4R2 on SRX Series.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos · Juniper Networks

95%

v < 12.3X48-D85v < 15.1X49-D181v < 17.4R1-S8v < 18.1R3-S6v < 18.2R2-S1v < 18.3R1-S2v < 18.4R1-S112.3x48 d10 12.3x48 d15 12.3x48 d25 12.3x48 d30 12.3x48 d35 12.3x48 d40 12.3x48 d45 12.3x48 d50 12.3x48 d55 12.3x48 d60 12.3x48 d65 12.3x48 d70 12.3x48 d7515.1x4915.1x49 d10 15.1x49 d100 15.1x49 d110 15.1x49 d120 15.1x49 d130 15.1x49 d140 15.1x49 d150 15.1x49 d160 15.1x49 d170 15.1x49 d180 15.1x49 d20 15.1x49 d30 15.1x49 d35 15.1x49 d40 15.1x49 d45 15.1x49 d50 15.1x49 d55 15.1x49 d60 15.1x49 d65 15.1x49 d70 15.1x49 d75 15.1x49 d80 15.1x49 d90 17.3 17.3 r1 17.3 r2 17.3 r2-s1 17.3 r2-s2 17.3 r3 17.3 r3-s1 17.3 r3-s2 17.3 r3-s3 17.3 r3-s4 17.3 r3-s5 17.3 versions on SRX Series 17.4 17.4 r1 17.4 r1-s1 17.4 r1-s2 17.4 r1-s4 17.4 r1-s6 17.4 r1-s7 17.4 r2 17.4 r2-s1 17.4 r2-s2 17.4 r2-s3 17.4 r2-s4 18.1 18.1 r1 18.1 r2 18.1 r2-s1 18.1 r2-s2 18.1 r2-s4 18.1 r3 18.1 r3-s2 18.1 r3-s3 18.1 r3-s4 18.1 r3-s5 18.2 18.2 r1 18.2 r1-s3 18.2 r1-s4 18.2 r1-s5 18.2 r2 18.3 18.3 r1 18.3 r1-s1 18.4 18.4 r1

Affected range stops below 12.3X48-D85, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1X49-D181, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4R1-S8, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R3-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2R2-S1, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.3R1-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.4R1-S1, so it looks safe — our inference, not a vendor statement

juniper-sr4600 (environment) · juniper-srx1500 (environment) · juniper-srx300 (environment) · juniper-srx4000 (environment) · juniper-srx4600 (environment) · juniper-srx5400 (environment) · juniper-srx550 (environment) · juniper-srx5600 (environment) · juniper-srx5800 (environment)

Sr4600 · Juniperdevice

80%

All versions

Srx1500 · Juniperdevice

80%

All versions

Srx300 · Juniperdevice

80%

All versions

Srx4000 · Juniperdevice

80%

All versions